1/******************************************************************************
2 *
3 * Copyright(c) 2009-2012  Realtek Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12 * more details.
13 *
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
16 *
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
21 *
22 * Larry Finger <Larry.Finger@lwfinger.net>
23 *
24 *****************************************************************************/
25
26#include "../wifi.h"
27#include "../pci.h"
28#include "../base.h"
29#include "../stats.h"
30#include "reg.h"
31#include "def.h"
32#include "phy.h"
33#include "trx.h"
34#include "led.h"
35
36static u8 _rtl8723e_map_hwqueue_to_fwqueue(struct sk_buff *skb, u8 hw_queue)
37{
38	__le16 fc = rtl_get_fc(skb);
39
40	if (unlikely(ieee80211_is_beacon(fc)))
41		return QSLT_BEACON;
42	if (ieee80211_is_mgmt(fc) || ieee80211_is_ctl(fc))
43		return QSLT_MGNT;
44
45	return skb->priority;
46}
47
48static void _rtl8723e_query_rxphystatus(struct ieee80211_hw *hw,
49					struct rtl_stats *pstatus, u8 *pdesc,
50					struct rx_fwinfo_8723e *p_drvinfo,
51					bool bpacket_match_bssid,
52					bool bpacket_toself, bool packet_beacon)
53{
54	struct rtl_priv *rtlpriv = rtl_priv(hw);
55	struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv);
56	struct phy_sts_cck_8723e_t *cck_buf;
57	s8 rx_pwr_all = 0, rx_pwr[4];
58	u8 rf_rx_num = 0, evm, pwdb_all;
59	u8 i, max_spatial_stream;
60	u32 rssi, total_rssi = 0;
61	bool is_cck = pstatus->is_cck;
62
63	/* Record it for next packet processing */
64	pstatus->packet_matchbssid = bpacket_match_bssid;
65	pstatus->packet_toself = bpacket_toself;
66	pstatus->packet_beacon = packet_beacon;
67	pstatus->rx_mimo_signalquality[0] = -1;
68	pstatus->rx_mimo_signalquality[1] = -1;
69
70	if (is_cck) {
71		u8 report, cck_highpwr;
72
73		/* CCK Driver info Structure is not the same as OFDM packet. */
74		cck_buf = (struct phy_sts_cck_8723e_t *)p_drvinfo;
75
76		/* (1)Hardware does not provide RSSI for CCK */
77		/* (2)PWDB, Average PWDB cacluated by
78		 * hardware (for rate adaptive)
79		 */
80		if (ppsc->rfpwr_state == ERFON)
81			cck_highpwr = (u8)rtl_get_bbreg(hw,
82					RFPGA0_XA_HSSIPARAMETER2,
83					BIT(9));
84		else
85			cck_highpwr = false;
86
87		if (!cck_highpwr) {
88			u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
89			report = cck_buf->cck_agc_rpt & 0xc0;
90			report = report >> 6;
91			switch (report) {
92			case 0x3:
93				rx_pwr_all = -46 - (cck_agc_rpt & 0x3e);
94				break;
95			case 0x2:
96				rx_pwr_all = -26 - (cck_agc_rpt & 0x3e);
97				break;
98			case 0x1:
99				rx_pwr_all = -12 - (cck_agc_rpt & 0x3e);
100				break;
101			case 0x0:
102				rx_pwr_all = 16 - (cck_agc_rpt & 0x3e);
103				break;
104			}
105		} else {
106			u8 cck_agc_rpt = cck_buf->cck_agc_rpt;
107			report = p_drvinfo->cfosho[0] & 0x60;
108			report = report >> 5;
109			switch (report) {
110			case 0x3:
111				rx_pwr_all = -46 - ((cck_agc_rpt & 0x1f) << 1);
112				break;
113			case 0x2:
114				rx_pwr_all = -26 - ((cck_agc_rpt & 0x1f) << 1);
115				break;
116			case 0x1:
117				rx_pwr_all = -12 - ((cck_agc_rpt & 0x1f) << 1);
118				break;
119			case 0x0:
120				rx_pwr_all = 16 - ((cck_agc_rpt & 0x1f) << 1);
121				break;
122			}
123		}
124
125		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
126		/* CCK gain is smaller than OFDM/MCS gain,  */
127		/* so we add gain diff by experiences,
128		 * the val is 6
129		 */
130		pwdb_all += 6;
131		if (pwdb_all > 100)
132			pwdb_all = 100;
133		/* modify the offset to make the same
134		 * gain index with OFDM.
135		 */
136		if (pwdb_all > 34 && pwdb_all <= 42)
137			pwdb_all -= 2;
138		else if (pwdb_all > 26 && pwdb_all <= 34)
139			pwdb_all -= 6;
140		else if (pwdb_all > 14 && pwdb_all <= 26)
141			pwdb_all -= 8;
142		else if (pwdb_all > 4 && pwdb_all <= 14)
143			pwdb_all -= 4;
144
145		pstatus->rx_pwdb_all = pwdb_all;
146		pstatus->recvsignalpower = rx_pwr_all;
147
148		/* (3) Get Signal Quality (EVM) */
149		if (bpacket_match_bssid) {
150			u8 sq;
151
152			if (pstatus->rx_pwdb_all > 40)
153				sq = 100;
154			else {
155				sq = cck_buf->sq_rpt;
156				if (sq > 64)
157					sq = 0;
158				else if (sq < 20)
159					sq = 100;
160				else
161					sq = ((64 - sq) * 100) / 44;
162			}
163
164			pstatus->signalquality = sq;
165			pstatus->rx_mimo_signalquality[0] = sq;
166			pstatus->rx_mimo_signalquality[1] = -1;
167		}
168	} else {
169		rtlpriv->dm.rfpath_rxenable[0] =
170		    rtlpriv->dm.rfpath_rxenable[1] = true;
171
172		/* (1)Get RSSI for HT rate */
173		for (i = RF90_PATH_A; i < RF6052_MAX_PATH; i++) {
174
175			/* we will judge RF RX path now. */
176			if (rtlpriv->dm.rfpath_rxenable[i])
177				rf_rx_num++;
178
179			rx_pwr[i] = ((p_drvinfo->gain_trsw[i] &
180				      0x3f) * 2) - 110;
181
182			/* Translate DBM to percentage. */
183			rssi = rtl_query_rxpwrpercentage(rx_pwr[i]);
184			total_rssi += rssi;
185
186			/* Get Rx snr value in DB */
187			rtlpriv->stats.rx_snr_db[i] =
188				(long)(p_drvinfo->rxsnr[i] / 2);
189
190			/* Record Signal Strength for next packet */
191			if (bpacket_match_bssid)
192				pstatus->rx_mimo_signalstrength[i] = (u8)rssi;
193		}
194
195		/* (2)PWDB, Average PWDB cacluated by
196		 * hardware (for rate adaptive)
197		 */
198		rx_pwr_all = ((p_drvinfo->pwdb_all >> 1) & 0x7f) - 110;
199
200		pwdb_all = rtl_query_rxpwrpercentage(rx_pwr_all);
201		pstatus->rx_pwdb_all = pwdb_all;
202		pstatus->rxpower = rx_pwr_all;
203		pstatus->recvsignalpower = rx_pwr_all;
204
205		/* (3)EVM of HT rate */
206		if (pstatus->is_ht && pstatus->rate >= DESC92C_RATEMCS8 &&
207		    pstatus->rate <= DESC92C_RATEMCS15)
208			max_spatial_stream = 2;
209		else
210			max_spatial_stream = 1;
211
212		for (i = 0; i < max_spatial_stream; i++) {
213			evm = rtl_evm_db_to_percentage(p_drvinfo->rxevm[i]);
214
215			if (bpacket_match_bssid) {
216				/* Fill value in RFD, Get the first
217				 * spatial stream only
218				 */
219				if (i == 0)
220					pstatus->signalquality =
221						(u8)(evm & 0xff);
222				pstatus->rx_mimo_signalquality[i] =
223					(u8)(evm & 0xff);
224			}
225		}
226	}
227
228	/* UI BSS List signal strength(in percentage),
229	 * make it good looking, from 0~100.
230	 */
231	if (is_cck)
232		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
233			pwdb_all));
234	else if (rf_rx_num != 0)
235		pstatus->signalstrength = (u8)(rtl_signal_scale_mapping(hw,
236			total_rssi /= rf_rx_num));
237}
238
239static void translate_rx_signal_stuff(struct ieee80211_hw *hw,
240				      struct sk_buff *skb,
241				      struct rtl_stats *pstatus, u8 *pdesc,
242				      struct rx_fwinfo_8723e *p_drvinfo)
243{
244	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
245	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
246	struct ieee80211_hdr *hdr;
247	u8 *tmp_buf;
248	u8 *praddr;
249	/*u8 *psaddr;*/
250	u16 fc, type;
251	bool packet_matchbssid, packet_toself, packet_beacon;
252
253	tmp_buf = skb->data + pstatus->rx_drvinfo_size + pstatus->rx_bufshift;
254
255	hdr = (struct ieee80211_hdr *)tmp_buf;
256	fc = le16_to_cpu(hdr->frame_control);
257	type = WLAN_FC_GET_TYPE(hdr->frame_control);
258	praddr = hdr->addr1;
259
260	packet_matchbssid = ((IEEE80211_FTYPE_CTL != type) &&
261		(ether_addr_equal(mac->bssid, (fc & IEEE80211_FCTL_TODS) ?
262		 hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ?
263		 hdr->addr2 : hdr->addr3)) &&
264		 (!pstatus->hwerror) &&
265		 (!pstatus->crc) && (!pstatus->icv));
266
267	packet_toself = packet_matchbssid &&
268	    (ether_addr_equal(praddr, rtlefuse->dev_addr));
269
270	if (ieee80211_is_beacon(hdr->frame_control))
271		packet_beacon = true;
272	else
273		packet_beacon = false;
274
275	_rtl8723e_query_rxphystatus(hw, pstatus, pdesc, p_drvinfo,
276				    packet_matchbssid, packet_toself,
277				    packet_beacon);
278
279	rtl_process_phyinfo(hw, tmp_buf, pstatus);
280}
281
282bool rtl8723e_rx_query_desc(struct ieee80211_hw *hw,
283			    struct rtl_stats *status,
284			    struct ieee80211_rx_status *rx_status,
285			    u8 *pdesc, struct sk_buff *skb)
286{
287	struct rx_fwinfo_8723e *p_drvinfo;
288	struct ieee80211_hdr *hdr;
289	u32 phystatus = GET_RX_DESC_PHYST(pdesc);
290
291	status->length = (u16)GET_RX_DESC_PKT_LEN(pdesc);
292	status->rx_drvinfo_size = (u8)GET_RX_DESC_DRV_INFO_SIZE(pdesc) *
293	    RX_DRV_INFO_SIZE_UNIT;
294	status->rx_bufshift = (u8)(GET_RX_DESC_SHIFT(pdesc) & 0x03);
295	status->icv = (u16)GET_RX_DESC_ICV(pdesc);
296	status->crc = (u16)GET_RX_DESC_CRC32(pdesc);
297	status->hwerror = (status->crc | status->icv);
298	status->decrypted = !GET_RX_DESC_SWDEC(pdesc);
299	status->rate = (u8)GET_RX_DESC_RXMCS(pdesc);
300	status->shortpreamble = (u16)GET_RX_DESC_SPLCP(pdesc);
301	status->isampdu = (bool)(GET_RX_DESC_PAGGR(pdesc) == 1);
302	status->isfirst_ampdu = (bool)((GET_RX_DESC_PAGGR(pdesc) == 1) &&
303				       (GET_RX_DESC_FAGGR(pdesc) == 1));
304	status->timestamp_low = GET_RX_DESC_TSFL(pdesc);
305	status->rx_is40Mhzpacket = (bool)GET_RX_DESC_BW(pdesc);
306	status->is_ht = (bool)GET_RX_DESC_RXHT(pdesc);
307
308	status->is_cck = RX_HAL_IS_CCK_RATE(status->rate);
309
310	rx_status->freq = hw->conf.chandef.chan->center_freq;
311	rx_status->band = hw->conf.chandef.chan->band;
312
313	hdr = (struct ieee80211_hdr *)(skb->data + status->rx_drvinfo_size
314			+ status->rx_bufshift);
315
316	if (status->crc)
317		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
318
319	if (status->rx_is40Mhzpacket)
320		rx_status->flag |= RX_FLAG_40MHZ;
321
322	if (status->is_ht)
323		rx_status->flag |= RX_FLAG_HT;
324
325	rx_status->flag |= RX_FLAG_MACTIME_START;
326
327	/* hw will set status->decrypted true, if it finds the
328	 * frame is open data frame or mgmt frame.
329	 * So hw will not decryption robust managment frame
330	 * for IEEE80211w but still set status->decrypted
331	 * true, so here we should set it back to undecrypted
332	 * for IEEE80211w frame, and mac80211 sw will help
333	 * to decrypt it
334	 */
335	if (status->decrypted) {
336		if ((!_ieee80211_is_robust_mgmt_frame(hdr)) &&
337		    (ieee80211_has_protected(hdr->frame_control)))
338			rx_status->flag |= RX_FLAG_DECRYPTED;
339		else
340			rx_status->flag &= ~RX_FLAG_DECRYPTED;
341	}
342
343	/* rate_idx: index of data rate into band's
344	 * supported rates or MCS index if HT rates
345	 * are use (RX_FLAG_HT)
346	 * Notice: this is diff with windows define
347	 */
348	rx_status->rate_idx = rtlwifi_rate_mapping(hw, status->is_ht,
349						   false, status->rate);
350
351	rx_status->mactime = status->timestamp_low;
352	if (phystatus == true) {
353		p_drvinfo = (struct rx_fwinfo_8723e *)(skb->data +
354						     status->rx_bufshift);
355
356		translate_rx_signal_stuff(hw, skb, status, pdesc, p_drvinfo);
357	}
358	rx_status->signal = status->recvsignalpower + 10;
359	return true;
360}
361
362void rtl8723e_tx_fill_desc(struct ieee80211_hw *hw,
363			   struct ieee80211_hdr *hdr, u8 *pdesc_tx,
364			   u8 *txbd, struct ieee80211_tx_info *info,
365			   struct ieee80211_sta *sta,
366			   struct sk_buff *skb,
367			   u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
368{
369	struct rtl_priv *rtlpriv = rtl_priv(hw);
370	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
371	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
372	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
373	bool b_defaultadapter = true;
374	/* bool b_trigger_ac = false; */
375	u8 *pdesc = (u8 *)pdesc_tx;
376	u16 seq_number;
377	__le16 fc = hdr->frame_control;
378	u8 fw_qsel = _rtl8723e_map_hwqueue_to_fwqueue(skb, hw_queue);
379	bool firstseg = ((hdr->seq_ctrl &
380			  cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0);
381
382	bool lastseg = ((hdr->frame_control &
383			 cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) == 0);
384
385	dma_addr_t mapping = pci_map_single(rtlpci->pdev,
386					    skb->data, skb->len,
387					    PCI_DMA_TODEVICE);
388	u8 bw_40 = 0;
389
390	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
391		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
392			 "DMA mapping error");
393		return;
394	}
395	if (mac->opmode == NL80211_IFTYPE_STATION) {
396		bw_40 = mac->bw_40;
397	} else if (mac->opmode == NL80211_IFTYPE_AP ||
398		mac->opmode == NL80211_IFTYPE_ADHOC) {
399		if (sta)
400			bw_40 = sta->ht_cap.cap &
401				IEEE80211_HT_CAP_SUP_WIDTH_20_40;
402	}
403
404	seq_number = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4;
405
406	rtl_get_tcb_desc(hw, info, sta, skb, ptcb_desc);
407
408	CLEAR_PCI_TX_DESC_CONTENT(pdesc, sizeof(struct tx_desc_8723e));
409
410	if (ieee80211_is_nullfunc(fc) || ieee80211_is_ctl(fc)) {
411		firstseg = true;
412		lastseg = true;
413	}
414
415	if (firstseg) {
416		SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
417
418		SET_TX_DESC_TX_RATE(pdesc, ptcb_desc->hw_rate);
419
420		if (ptcb_desc->use_shortgi || ptcb_desc->use_shortpreamble)
421			SET_TX_DESC_DATA_SHORTGI(pdesc, 1);
422
423		if (info->flags & IEEE80211_TX_CTL_AMPDU) {
424			SET_TX_DESC_AGG_BREAK(pdesc, 1);
425			SET_TX_DESC_MAX_AGG_NUM(pdesc, 0x14);
426		}
427		SET_TX_DESC_SEQ(pdesc, seq_number);
428
429		SET_TX_DESC_RTS_ENABLE(pdesc,
430				       ((ptcb_desc->rts_enable &&
431					!ptcb_desc->cts_enable) ? 1 : 0));
432		SET_TX_DESC_HW_RTS_ENABLE(pdesc,
433					  ((ptcb_desc->rts_enable ||
434					  ptcb_desc->cts_enable) ? 1 : 0));
435		SET_TX_DESC_CTS2SELF(pdesc,
436				     ((ptcb_desc->cts_enable) ? 1 : 0));
437		SET_TX_DESC_RTS_STBC(pdesc,
438				     ((ptcb_desc->rts_stbc) ? 1 : 0));
439
440		SET_TX_DESC_RTS_RATE(pdesc, ptcb_desc->rts_rate);
441		SET_TX_DESC_RTS_BW(pdesc, 0);
442		SET_TX_DESC_RTS_SC(pdesc, ptcb_desc->rts_sc);
443		SET_TX_DESC_RTS_SHORT(pdesc,
444				((ptcb_desc->rts_rate <= DESC92C_RATE54M) ?
445				(ptcb_desc->rts_use_shortpreamble ? 1 : 0)
446				: (ptcb_desc->rts_use_shortgi ? 1 : 0)));
447
448		if (bw_40) {
449			if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) {
450				SET_TX_DESC_DATA_BW(pdesc, 1);
451				SET_TX_DESC_TX_SUB_CARRIER(pdesc, 3);
452			} else {
453				SET_TX_DESC_DATA_BW(pdesc, 0);
454				SET_TX_DESC_TX_SUB_CARRIER(pdesc,
455					mac->cur_40_prime_sc);
456			}
457		} else {
458			SET_TX_DESC_DATA_BW(pdesc, 0);
459			SET_TX_DESC_TX_SUB_CARRIER(pdesc, 0);
460		}
461
462		SET_TX_DESC_LINIP(pdesc, 0);
463		SET_TX_DESC_PKT_SIZE(pdesc, (u16) skb->len);
464
465		if (sta) {
466			u8 ampdu_density = sta->ht_cap.ampdu_density;
467			SET_TX_DESC_AMPDU_DENSITY(pdesc, ampdu_density);
468		}
469
470		if (info->control.hw_key) {
471			struct ieee80211_key_conf *keyconf =
472			    info->control.hw_key;
473
474			switch (keyconf->cipher) {
475			case WLAN_CIPHER_SUITE_WEP40:
476			case WLAN_CIPHER_SUITE_WEP104:
477			case WLAN_CIPHER_SUITE_TKIP:
478				SET_TX_DESC_SEC_TYPE(pdesc, 0x1);
479				break;
480			case WLAN_CIPHER_SUITE_CCMP:
481				SET_TX_DESC_SEC_TYPE(pdesc, 0x3);
482				break;
483			default:
484				SET_TX_DESC_SEC_TYPE(pdesc, 0x0);
485				break;
486
487			}
488		}
489
490		SET_TX_DESC_PKT_ID(pdesc, 0);
491		SET_TX_DESC_QUEUE_SEL(pdesc, fw_qsel);
492
493		SET_TX_DESC_DATA_RATE_FB_LIMIT(pdesc, 0x1F);
494		SET_TX_DESC_RTS_RATE_FB_LIMIT(pdesc, 0xF);
495		SET_TX_DESC_DISABLE_FB(pdesc, 0);
496		SET_TX_DESC_USE_RATE(pdesc, ptcb_desc->use_driver_rate ? 1 : 0);
497
498		if (ieee80211_is_data_qos(fc)) {
499			if (mac->rdg_en) {
500				RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
501					 "Enable RDG function.\n");
502				SET_TX_DESC_RDG_ENABLE(pdesc, 1);
503				SET_TX_DESC_HTC(pdesc, 1);
504			}
505		}
506	}
507
508	SET_TX_DESC_FIRST_SEG(pdesc, (firstseg ? 1 : 0));
509	SET_TX_DESC_LAST_SEG(pdesc, (lastseg ? 1 : 0));
510
511	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) skb->len);
512
513	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
514
515	if (rtlpriv->dm.useramask) {
516		SET_TX_DESC_RATE_ID(pdesc, ptcb_desc->ratr_index);
517		SET_TX_DESC_MACID(pdesc, ptcb_desc->mac_id);
518	} else {
519		SET_TX_DESC_RATE_ID(pdesc, 0xC + ptcb_desc->ratr_index);
520		SET_TX_DESC_MACID(pdesc, ptcb_desc->ratr_index);
521	}
522
523	if ((!ieee80211_is_data_qos(fc)) && ppsc->fwctrl_lps) {
524		SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
525		/* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
526		/* SET_TX_DESC_PKT_ID(pdesc, 8); */
527
528		if (!b_defaultadapter)
529			SET_TX_DESC_HWSEQ_SEL_8723(pdesc, 1);
530	/* SET_TX_DESC_QOS(pdesc, 1); */
531	}
532
533	SET_TX_DESC_MORE_FRAG(pdesc, (lastseg ? 0 : 1));
534
535	if (is_multicast_ether_addr(ieee80211_get_DA(hdr)) ||
536	    is_broadcast_ether_addr(ieee80211_get_DA(hdr))) {
537		SET_TX_DESC_BMC(pdesc, 1);
538	}
539
540	RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE, "\n");
541}
542
543void rtl8723e_tx_fill_cmddesc(struct ieee80211_hw *hw,
544			      u8 *pdesc, bool firstseg,
545			      bool lastseg, struct sk_buff *skb)
546{
547	struct rtl_priv *rtlpriv = rtl_priv(hw);
548	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
549	u8 fw_queue = QSLT_BEACON;
550
551	dma_addr_t mapping = pci_map_single(rtlpci->pdev,
552					    skb->data, skb->len,
553					    PCI_DMA_TODEVICE);
554
555	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
556	__le16 fc = hdr->frame_control;
557
558	if (pci_dma_mapping_error(rtlpci->pdev, mapping)) {
559		RT_TRACE(rtlpriv, COMP_SEND, DBG_TRACE,
560			 "DMA mapping error");
561		return;
562	}
563	CLEAR_PCI_TX_DESC_CONTENT(pdesc, TX_DESC_SIZE);
564
565	if (firstseg)
566		SET_TX_DESC_OFFSET(pdesc, USB_HWDESC_HEADER_LEN);
567
568	SET_TX_DESC_TX_RATE(pdesc, DESC92C_RATE1M);
569
570	SET_TX_DESC_SEQ(pdesc, 0);
571
572	SET_TX_DESC_LINIP(pdesc, 0);
573
574	SET_TX_DESC_QUEUE_SEL(pdesc, fw_queue);
575
576	SET_TX_DESC_FIRST_SEG(pdesc, 1);
577	SET_TX_DESC_LAST_SEG(pdesc, 1);
578
579	SET_TX_DESC_TX_BUFFER_SIZE(pdesc, (u16) (skb->len));
580
581	SET_TX_DESC_TX_BUFFER_ADDRESS(pdesc, mapping);
582
583	SET_TX_DESC_RATE_ID(pdesc, 7);
584	SET_TX_DESC_MACID(pdesc, 0);
585
586	SET_TX_DESC_OWN(pdesc, 1);
587
588	SET_TX_DESC_PKT_SIZE((u8 *)pdesc, (u16)(skb->len));
589
590	SET_TX_DESC_FIRST_SEG(pdesc, 1);
591	SET_TX_DESC_LAST_SEG(pdesc, 1);
592
593	SET_TX_DESC_OFFSET(pdesc, 0x20);
594
595	SET_TX_DESC_USE_RATE(pdesc, 1);
596
597	if (!ieee80211_is_data_qos(fc)) {
598		SET_TX_DESC_HWSEQ_EN_8723(pdesc, 1);
599		/* SET_TX_DESC_HWSEQ_EN(pdesc, 1); */
600		/* SET_TX_DESC_PKT_ID(pdesc, 8); */
601	}
602
603	RT_PRINT_DATA(rtlpriv, COMP_CMD, DBG_LOUD,
604		      "H2C Tx Cmd Content\n",
605		      pdesc, TX_DESC_SIZE);
606}
607
608void rtl8723e_set_desc(struct ieee80211_hw *hw, u8 *pdesc,
609		       bool istx, u8 desc_name, u8 *val)
610{
611	if (istx == true) {
612		switch (desc_name) {
613		case HW_DESC_OWN:
614			SET_TX_DESC_OWN(pdesc, 1);
615			break;
616		case HW_DESC_TX_NEXTDESC_ADDR:
617			SET_TX_DESC_NEXT_DESC_ADDRESS(pdesc, *(u32 *) val);
618			break;
619		default:
620			RT_ASSERT(false, "ERR txdesc :%d not process\n",
621				  desc_name);
622			break;
623		}
624	} else {
625		switch (desc_name) {
626		case HW_DESC_RXOWN:
627			SET_RX_DESC_OWN(pdesc, 1);
628			break;
629		case HW_DESC_RXBUFF_ADDR:
630			SET_RX_DESC_BUFF_ADDR(pdesc, *(u32 *) val);
631			break;
632		case HW_DESC_RXPKT_LEN:
633			SET_RX_DESC_PKT_LEN(pdesc, *(u32 *) val);
634			break;
635		case HW_DESC_RXERO:
636			SET_RX_DESC_EOR(pdesc, 1);
637			break;
638		default:
639			RT_ASSERT(false, "ERR rxdesc :%d not process\n",
640				  desc_name);
641			break;
642		}
643	}
644}
645
646u32 rtl8723e_get_desc(u8 *pdesc, bool istx, u8 desc_name)
647{
648	u32 ret = 0;
649
650	if (istx == true) {
651		switch (desc_name) {
652		case HW_DESC_OWN:
653			ret = GET_TX_DESC_OWN(pdesc);
654			break;
655		case HW_DESC_TXBUFF_ADDR:
656			ret = GET_TX_DESC_TX_BUFFER_ADDRESS(pdesc);
657			break;
658		default:
659			RT_ASSERT(false, "ERR txdesc :%d not process\n",
660				  desc_name);
661			break;
662		}
663	} else {
664		switch (desc_name) {
665		case HW_DESC_OWN:
666			ret = GET_RX_DESC_OWN(pdesc);
667			break;
668		case HW_DESC_RXPKT_LEN:
669			ret = GET_RX_DESC_PKT_LEN(pdesc);
670			break;
671		case HW_DESC_RXBUFF_ADDR:
672			ret = GET_RX_DESC_BUFF_ADDR(pdesc);
673			break;
674		default:
675			RT_ASSERT(false, "ERR rxdesc :%d not process\n",
676				  desc_name);
677			break;
678		}
679	}
680	return ret;
681}
682
683bool rtl8723e_is_tx_desc_closed(struct ieee80211_hw *hw,
684				u8 hw_queue, u16 index)
685{
686	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
687	struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
688	u8 *entry = (u8 *)(&ring->desc[ring->idx]);
689	u8 own = (u8)rtl8723e_get_desc(entry, true, HW_DESC_OWN);
690
691	/**
692	 *beacon packet will only use the first
693	 *descriptor defautly,and the own may not
694	 *be cleared by the hardware
695	 */
696	if (own)
697		return false;
698	return true;
699}
700
701void rtl8723e_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
702{
703	struct rtl_priv *rtlpriv = rtl_priv(hw);
704	if (hw_queue == BEACON_QUEUE) {
705		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG, BIT(4));
706	} else {
707		rtl_write_word(rtlpriv, REG_PCIE_CTRL_REG,
708			       BIT(0) << (hw_queue));
709	}
710}
711
712u32 rtl8723e_rx_command_packet(struct ieee80211_hw *hw,
713			       struct rtl_stats status,
714			       struct sk_buff *skb)
715{
716	return 0;
717}
718